1st Order Nucleophilic Substitution Reactions, i.e., SN1 reactions
{"Image DocumentName": "1st Order Nucleophilic Substitution Reactions, i.e., SN1 reactions", "Image ImageDescription": "3\uf0b0 alkyl halides are essentially inert to substitution by the SN2 mechanism because of steric hindrance at the back side of the a-carbon. Despite this, 3\uf0b0 alkyl halides do undergo nucleophilic substitution reactions quite rapidly , but by a different mechanism, i.e., the SN1 mechanism. SN1 = Substitution, Nucleophilic, 1st order (unimolecular). SN1 reactions obey 1st order kinetics, i.e., Rate = k\uf0d7[RX]. The rate depends upon the concentration of only 1 reactant, the alkyl halide-not the nucleophile. The order of reactivity of substrates for SN1 reactions is the reverse of SN2. 3\uf0b0 > 2\uf0b0 > 1\uf0b0 > vinyl > phenyl > Me\u00b0 R3C-Br R2HC-Br RH2C-Br CH2=CH-Br \uf066-Br H3C-Br. increasing rate of SN1 reactions.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}